Music: Enter the Disco Band

Disco is the ultimate social dance experience. So say its devotees. The
less enchanted flee its aural and visual din as from Chinese water
torture. No matter. In thousands of mirrored, strobe-lighted
discotheques around the U.S., the beautiful people, and some not so
beautiful, dance the night and morning away to a loud, seamless stream
of glossily recorded rhythm-and-blues songs. Disco has become not only
an energetic way to play the mating game but also one of the hottest
subindustries in the popular-entertainment field. In terms of the hit
singles that can now...